Finding the Fourth Proportional to 11,296,784, 15,578,832.96 and 7,432,584.32
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Solution
The fourth proportional to 11,296,784, 15,578,832.96 and 7,432,584.32 is: 10,249,907.37
Step by Step Solution
- Step 1: Write the proportion equation
11,296,784 : 15,578,832.96 = 7,432,584.32 : x - Step 2: Convert to fraction form
11,296,784/15,578,832.96 = 7,432,584.32/x - Step 3: Cross multiply
11,296,784x = 15,578,832.96 × 7,432,584.32 - Step 4: Simplify right side
11,296,784x = 115,790,989,582,395.20 - Step 5: Solve for x
x = 115,790,989,582,395.20/11,296,784 - Step 6: Final answer
x = 10,249,907.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.